Standardize usage of virtual/override/final in chrome/browser/ui/

chrome/browser/ui/cocoa/location_bar/location_icon_decoration.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_COCOA_LOCATION_BAR_LOCATION_ICON_DECORATION_H_
 #define CHROME_BROWSER_UI_COCOA_LOCATION_BAR_LOCATION_ICON_DECORATION_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include "chrome/browser/ui/cocoa/location_bar/image_decoration.h"
 
 class LocationBarViewMac;
 
 // LocationIconDecoration is used to display an icon to the left of
 // the address.
 
 class LocationIconDecoration : public ImageDecoration {
  public:
   explicit LocationIconDecoration(LocationBarViewMac* owner);
-  virtual ~LocationIconDecoration();
+  ~LocationIconDecoration() override;
 
   // Allow dragging the current URL.
-  virtual bool IsDraggable() override;
-  virtual NSPasteboard* GetDragPasteboard() override;
-  virtual NSImage* GetDragImage() override;
-  virtual NSRect GetDragImageFrame(NSRect frame) override;
+  bool IsDraggable() override;
+  NSPasteboard* GetDragPasteboard() override;
+  NSImage* GetDragImage() override;
+  NSRect GetDragImageFrame(NSRect frame) override;
 
   // Show the page info panel on click.
-  virtual bool OnMousePressed(NSRect frame, NSPoint location) override;
-  virtual bool AcceptsMousePress() override;
-  virtual NSString* GetToolTip() override;
-  virtual NSPoint GetBubblePointInFrame(NSRect frame) override;
+  bool OnMousePressed(NSRect frame, NSPoint location) override;
+  bool AcceptsMousePress() override;
+  NSString* GetToolTip() override;
+  NSPoint GetBubblePointInFrame(NSRect frame) override;
 
  private:
   NSRect drag_frame_;
   // The location bar view that owns us.
   LocationBarViewMac* owner_;
 
   DISALLOW_COPY_AND_ASSIGN(LocationIconDecoration);
 };
 
 #endif  // CHROME_BROWSER_UI_COCOA_LOCATION_BAR_LOCATION_ICON_DECORATION_H_